.Topic{
  margin: 25px 0 4px 0;
  padding: 20px;
  border: 1px solid #EEEEEE;
  width: 40%;
  .topic-top{
    position: relative;
    margin-bottom: 17px;
    img{
      width: 28px;
      margin-right: 10px;
      vertical-align: middle;
    }
    .has-follow{
      position: absolute;
      right: 0;
      top: 0;
      text-align: center;
      font-size: 12px;
      line-height: 24px;
      cursor: pointer;
    }
    .unfollow-button{
      border: 1px solid #E5E5E5;
      color: #444444;
      border-radius: 2px;
      border-radius: 2px;
      width: 64px;
      height: 24px;
    }
    .follow-button{
      background: #2277DA;
      color: #ffffff;
      border-radius: 2px;
      border-radius: 2px;
      width: 64px;
      height: 24px;
    }
  }
  .topic-bottom{
    font-size: 14px;
    color: #444444;
    line-height: 21px;
  }
}
@media screen  and (max-width: 767px){
  .Topic{
    width: 100%;
    border-top: none;
    margin: 0;
    padding: 15px;
  }
}